土方填筑的坝面作业中，应对（）等进行检查。
A.土块大小
B.含水量
C.压实后的干密度
D.铺土厚度
E.孔隙率
参考答案：A, B, C, D
在5a+（________）=5a-2a2-b中，括号内应填[ ]
A.2a2+b
B.2a2-b
C.-2a2+b
D.-2a2-b
(2013·江西抚州五校二模)So absorbed ________ in our talk that my brother took a wrong turn on the way to the airport.
A．he was
B．was he
C．is he
D．he is
